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Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Guidance on the principles and process of applying for leniency and no-action in cartel cases.
What to do if you're thinking about a merger, or already going through a merger investigation.
The Competition and Markets Authority’s policy and approach to transparency and information disclosure.
Guidance on how to make a whistleblower report to the Competition and Markets Authority.
The topics in the Market Guidance are based on analysis of the notifications received under the NSI Act and feedback from stakeholders on their experience of the system.
How the Competition and Markets Authority (CMA) will embed the 4Ps (pace, predictability, proportionality and process) to support growth, investment and business confidence in the UK’s digital markets competition regime.
Guidance on requests for internal documents in merger investigations.
Information for businesses about how the Competition and Markets Authority (CMA) investigates mergers, including processes, timelines and possible outcomes.
Sets out the basis on which the CMA calculates financial penalties for CA98 infringements.
Information on consumer rights for residents in care homes and their families or other representatives.
These orders, and the tank transfer price calculator, are intended to make it easier for customers to switch LP gas suppliers.
How to report your involvement in a cartel under our leniency programme and what to expect.
The orders provide measures on benefits, incentive schemes and better information for patients.
Rules of procedure for appeals to the CMA against certain decisions made by Ofgem or the Northern Ireland Authority for Utility Regulation.
Complying with competition law while working with other businesses.
Information for vets and vet nurses about the Competition and Markets Authority's (CMA) provisional decision in its veterinary services market investigation.
Guidance for businesses, brands and their agencies on how to ensure that online reviews and social media endorsements are honest and transparent.
How the Competition and Markets Authority (CMA) will use its markets tools to unlock economic growth and build consumer confidence.
Provides general information regarding cartels and a guide on the CMA's policy for cartel informants
Commentary on some of the most frequently asked questions from retailers and their advisers in retail mergers.
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